to keep quiet about what happened that night that according to lindsay graham who told fox news the obama administration is being unusually tight lipped compared to other events. >> you got to remember this administration leaked every detail of the bin laden raid. though telled old us about seal 6. they are refuse to go give us the identity and allowing congress to be interviewed. >> four died in the terror attack. shawn smith and former navy seal glen daughterty and tyrone woods and ambassador chris stevens. >> information begins to emerge as we learn the security agents and one state department contractor who were among the injured may be being asked not to talk. lindsay graham tells fox news the injured survivors may have been quote told to be quiet. he says the house should investigate. >> i am going to hold up the business of the senate until they get the survivors on record. i have talked to a couple. the story is chilling they are scared to death to come forward without some institutional support. >> members the house intelligence committee says it's still too early to say whether